docete opened a new pull request #10745: [FLINK-15445][connectors/jdbc] JDBC Table Source didn't work for Type… URL: https://github.com/apache/flink/pull/10745 …s with precision (or/and scale) ## What is the purpose of the change JDBC table source didn't work for types with precision (and/or scale) in blink planner, such as TIMESTAMP(6), DECIMAL(10, 4). The ValidationException described in FLINK-15445 would be thrown. The root cause is JDBCTableSource didn't override `getProducedDataType` interface, and returns wrong datatype. This PR fix it and add an itcase to verify. ## Brief change log - 6daa934 Override `getProducedDataType` for JDBCTableSource and add tests to verify ## Verifying this change This change added tests ## Does this pull request potentially affect one of the following parts: - Dependencies (does it add or upgrade a dependency): (yes / **no**) - The public API, i.e., is any changed class annotated with `@Public(Evolving)`: (yes / **no**) - The serializers: (yes / **no** / don't know) - The runtime per-record code paths (performance sensitive): (yes / **no** / don't know) - Anything that affects deployment or recovery: JobManager (and its components), Checkpointing, Yarn/Mesos, ZooKeeper: (yes / **no** / don't know) - The S3 file system connector: (yes / **no** / don't know) ## Documentation - Does this pull request introduce a new feature? (**yes** / no) - If yes, how is the feature documented? (not applicable / docs / **JavaDocs** / not documented)
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